WordPress plugin
Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium16
- Low0
All Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor vulnerabilities
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤3.3.6Update to 3.3.7
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Widgets
≤3.3.3Update to 3.3.4
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤3.3.0Update to 3.3.1
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤3.2.9Update to 3.3.0
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤3.2.7Update to 3.2.8
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via content Parameter
≤3.2.7Update to 3.2.8
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤3.2.7Update to 3.2.8
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤3.2.3Update to 3.2.4
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤3.2.1Update to 3.2.2
- Medium6.4Authenticated(Contributor+) Stored Cross-Site Scripting via Multiple Blocks
≤3.1.9Update to 3.2.0
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via title tag attribute
≤3.1.9Update to 3.2.0
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤3.1.7Update to 3.1.9
- Medium6.4Authenticated(Contributor+) Stored Cross-Site Scripting via metabox
≤3.1.0Update to 3.1.1
- Medium5.4Authenticated (Contributor+) Stored Cross-Site Scripting via Advanced Heading
≤3.1.6Update to 3.1.7
- Medium6.1Reflected Cross-Site Scripting via fs_request_get
≤1.9.2No patch available
- Medium6.3Missing Authorization Checks
all versionsNo patch available
Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor: common questions
Does Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor have known vulnerabilities?
Yes. VulnCrest Radar lists 16 known vulnerabilities in Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor: 16 medium. At least one is not fixed in the latest version.
How do I check which version of Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor vulnerability?
CVE-2025-49929, published Jun 16, 2025: Ultimate Blocks <= 3.3.6 - Authenticated (Contributor+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor vulnerability listed in CISA KEV?
No. None of the known Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor vulnerabilities is currently listed in the CISA KEV catalog.